<template>
    <div class="wrapper">
        <!--选择使用的头部-->
        <!--<v-headers></v-headers>-->
        <v-head></v-head>
        <!--侧栏展示菜单-->
        <!--<v-sidebar></v-sidebar>-->
        <!--<div class="content-box" :class="{'content-collapse':collapse}">-->
        <div class="content-box">
            <v-tags></v-tags>
            <div class="content">
                <transition name="move" mode="out-in">
                    <keep-alive :include="tagsList" :exclude="['equimentparam']">
                        <router-view></router-view>
                    </keep-alive>
                </transition>
            </div>
        </div>
        <!--页面底部-->
        <v-footer></v-footer>
    </div>
</template>

<script>
    import vHead from './Header.vue';
    import vHeaders from './Headers.vue';
    import vSidebar from './Sidebar.vue';
    import vTags from './Tags.vue';
    import bus from './bus';
    import vFooter from './footer'
    export default {
        data(){
            return {
                tagsList: [],
                collapse: false
            }
        },
        components:{
            vHead, vSidebar, vTags,vHeaders,vFooter
        },
        created(){
            bus.$on('collapse', msg => {
                this.collapse = msg;
            })

            // 只有在标签页列表里的页面才使用keep-alive，即关闭标签之后就不保存到内存中了。
            bus.$on('tags', msg => {
                let arr = [];
                for(let i = 0, len = msg.length; i < len; i ++){
                    msg[i].name && arr.push(msg[i].name);
                }
                this.tagsList = arr;
            })
        }
    }
</script>
